JP2019084333A - rice cooker - Google Patents

Abstract

To provide a rice cooker where dewatering is smooth and which can cook rice in a Sichuan manner.SOLUTION: A rice cooker includes a base part 1, a water storage member 2, a heating member 3, a draining steaming member 4, and a pressure control member 5. An energy concentration cover 23 of the water storage member divides a water storage pot 22 into a first chamber 24 positioned outside the energy concentration cover and a second chamber 25 positioned inside the energy concentration cover. Between the first chamber and the second chamber is provided a water flow passage. Between a steam pot and the energy concentration cover is formed a conductive passage 43. The pressure control member is installed in the base part and communicates with the water storage pot. The pressure control member controls pressure in the first chamber, so that it pushes water in the water storage pot into the steam pot via the water flow passage and a conduction passage, or sucks water in the steam pot back into the water storage pot.SELECTED DRAWING: Figure 1

Description

  The present invention relates to the field of home appliances, and in particular to a rice cooker.

  At present, commercial rice cookers put the water and rice in the inner pot of the rice cooker when cooking rice, and realized the purpose of cooking rice automatically using a method of electric heating after closing the lid. It is common. When cooking rice using a conventional rice cooker, the starch in the rice is firstly dissolved in water in large quantities, and the starch is gelatinized and gelled under the action of high temperature, and then, along with the drying of the water Since gelatinized and gelled starch is absorbed and attached again to the surface layer of rice, the cooked rice becomes soft and sticky, and the mouth feel becomes worse.

  Rice bran rice (Chinese rice in Sichuan, China) has a low sugar content because the large amount of starch in rice remains in heavy water, and the rice grain is dry and plump, has a pleasant texture, and is suitable for the people's dietary health requirements. ing. In the conventional rice cooker for cooking rice bran rice, in order to realize the purpose of rice bran, generally, the raising and lowering mechanism for driving the raising and lowering of the inner pot is installed inside the rice cooker, and the water immersion process is completed After that, the lifting mechanism drives the inner pot to ascend, and after realizing the springing (dehydration) operation, the water is heated and the rice is cooked using steam. However, the structure of a rice cooker that cooks boiled rice using conventional steam is complicated, and neither water supply nor dehydration is smooth, and it is common to heat all water when heating, so steam Slow to produce, long time to cook.

  SUMMARY OF THE INVENTION The present invention was made in view of solving the problem that water supply and dehydration of a conventional apparatus for cooking boiled rice is not smooth, and it is a rice cooker which can be dehydrated smoothly and can cook boiled rice. Intended to be provided.

  A rice cooker according to the present invention for achieving the above object includes a base, a water storage member, a heating member, a water vapor-steaming member and a pressure adjusting member. The water storage member includes a housing installed at the base, a water reservoir installed in the housing, and an energy concentration cover installed in the water reservoir, and the energy concentration cover is a first for positioning the water reservoir outside the energy concentration cover. It divides into a chamber and the 2nd chamber located in an energy concentration cover, and has a water flow path between the 1st chamber and the 2nd chamber. The heating member is disposed between the housing and the water reservoir. The draining and steaming member includes a steaming pot installed in the water storage member and a steaming table, and a conduction passage is formed between the steaming pot and the energy concentration cover, and the conduction passage is the inside of the steaming pot and energy respectively In communication with the interior of the concentration cover, a steaming chamber is formed between the steaming platform and the steaming pot. The pressure control member is disposed at the base and is in communication with the water reservoir, and the pressure control member regulates the pressure in the first chamber to steam the water in the water reservoir via the water flow path and the conduction passage. The pot is pushed into the pot or the water in the pot is sucked back into the water storage pot.

  According to one embodiment of the present invention, the energy concentration cover includes an energy concentration cover body and a seal exhibiting a conical structure, the upper end of the conical shape projects from the bottom of the steamer, and the seal is energy concentrate It is installed at the junction of the cover body and the steaming pot.

  According to one embodiment of the present invention, the top of the energy concentration cover has a first vent communicating with the conduction passage, and a first drain, the first vent being located above the first drain There is.

  According to one embodiment of the present invention, the bottom of the steaming kettle has a recess, which corresponds to a second vent and a first drainage hole installed corresponding to the first vent. To have a second drainage hole installed.

  According to one embodiment of the present invention, the energy concentrating cover comprises an energy concentrating cover body and an encapsulant. The energy concentration cover body includes an inner cover of the energy concentration cover and an outer cover of the energy concentration cover. The side wall of the inner cover of the energy concentration cover is provided with a vent communicating with the conduction passage. The outer cover of the energy concentration cover is provided outside the inner cover of the energy concentration cover, and forms an inner cover and a storage space of the energy concentration cover, and the top of the outer cover of the energy concentration cover has an open shape. The vents are higher than the top of the outer cover of the energy concentrating cover. The encapsulant is located at the junction of the outer cover of the energy concentration cover and the steaming kettle.

  According to one embodiment of the present invention, along the bottom to the top of the inner cover of the energy concentration cover, both the diameter of the inner cover of the energy concentration cover and the diameter of the outer cover of the energy concentration cover gradually decrease The side wall of the inner cover of the concentration cover is a curved arc surface that curves inward toward the inner cover of the energy concentration cover.

  According to one embodiment of the present invention, the bottom of the water reservoir has a locking platform for locking to the energy concentration cover, and the gap between the outer wall of the locking platform and the inner wall of the energy concentration cover is a water channel Form.

  According to one embodiment of the present invention, the steaming stand includes a baffle plate projecting to the top of the steaming kettle, and a steam permeable plate having through holes and disposed on the outer periphery of the baffle plate.

  According to an embodiment of the present invention, the baffle plate is disposed above the energy concentration cover, and the vertical projection area of the baffle plate is larger than the area of the top of the energy concentration cover.

  According to one embodiment of the present invention, the pressure adjusting member increases the pressure in the first chamber, reduces the pressure in the first chamber, and the air pump provided with the air inlet, and is attached to the communication passage. A piping including a pressure reducing valve and between the housing and the water storage pot is provided for connecting the first chamber and the intake hole, and the water storage pot is provided with a communication passage communicating with the external air.

  According to one embodiment of the present invention, a boss communicating with the piping is installed at the bottom of the housing, a connection support is installed at the base, and a communication passage communicating with the connection support is installed in the base The communication passage is in communication with the external air, and when the water storage member is installed at the base, the connection support is connected like a sleeve to the boss, and communication is made between the boss and the connection support A passage is formed, and the communication passage is in communication with the pressure adjusting member.

  According to one embodiment of the invention, the base includes a seal ring connected like a sleeve to the connection support, and when the boss is connected like a sleeve to the connection support, between the boss and the seal ring The space forms a communication passage, and the seal ring is provided with a hollow head connecting the communication passage and the pressure adjustment member.

  Summarizing the above, in the rice cooker according to the present invention, by installing the energy concentration cover in the water reservoir, the energy concentration cover divides the water reservoir into the first chamber and the second chamber, and the first chamber There is a water channel between the chamber and the second chamber. Since there is a conduction passage between the energy concentration cover and the steaming kettle, when the pressure control member changes the pressure in the first chamber, the water in the water reservoir is pushed into the steaming kettle through the water flow path and the conduction passage. The water in the steaming pot is sucked back into the water storage pot along the reverse route, or the water supply in the draining steaming chamber is very convenient for water supply and dehydration, and the relevant conditions for water supply and dehydration are the pressure of the first chamber Can be realized simply by controlling the Furthermore, in the stairs for cooking boiled rice, the conduction passage is at the same time a steam carrying passage, and the water passage and the steam passage are integrally connected, and the structure of the rice cooker is greatly simplified. Effectively solve the effects of water supply and dewatering members on the steam transport efficiency, significantly improve the steam heating efficiency, and give a very good mouthfeel to cooked rice after cooking.

  Also, the first concentration hole and the first drainage hole are formed in the energy concentration cover main body, and the first ventilation hole is positioned above the first drainage hole, and the water in the energy concentration cover main body is heated and the steam is installed Because the steam contains a large amount of water droplets, the water droplets are allowed to fall through the first vent into the interior of the energy concentrating cover body, and the steam is passed through the first vent and the conduction passage. It drains and enters the steam room. Alternatively, install the energy concentration cover main body to include the inner cover of the energy concentration cover and the outer cover of the energy concentration cover, and the inner cover of the energy concentration cover is ventilated higher than the outer cover of the energy concentration cover. When the water in the inner cover of the concentration cover is heated, the vapor is expelled from the vent accompanied by water droplets and under the action of gravity during the discharge process, the water droplets are outside the inner cover of the energy concentration cover and the energy concentration cover The purpose is to flow into the accommodation space between the cover and remove the water droplets contained in the steam, thereby greatly improving the mouthfeel of the bottom of the steaming platform. Since the steaming platform is installed so as to include the baffle plate and the steam permeable plate, boiling water droplets in the energy concentration cover reach the baffle plate in the steaming room, stay in the steaming chamber, and enter the steaming platform. And the horizontal cross-sectional area of the baffle plate is larger than the top surface area of the energy concentration cover, the installation effectively prevents boiling and splashing water droplets from the energy concentration cover and improves the quality of the stop.

  In order to make the above and other objects, features and advantages of the present invention clearer and easier to understand, preferred embodiments will be given below and described in detail in conjunction with the drawings.

It is a sectional view which meets a perpendicular direction of a rice cooker concerning one embodiment of the present invention. It is sectional drawing in alignment with the perpendicular direction from other angles of the rice cooker which concerns on one Embodiment of this invention. It is an exploded view of a bottom cover and a base of a rice cooker concerning one embodiment of the present invention. FIG. 4 is a partial enlarged view of the bottom cover and the base shown in FIG. 3 when disassembled. It is sectional drawing which shows a mode that the energy concentration cover in the rice cooker which concerns on one Embodiment of this invention is connected to a water reservoir. It is the elements on larger scale of the A section in FIG. It is a figure which shows the three-dimensional structure of the energy concentration cover in FIG. FIG. 6 is a view showing a three-dimensional structure of an energy concentration cover in another embodiment of the present invention. FIG. 9 is a cross-sectional view of the energy concentration cover shown in FIG. 8; It is an exploded view of the dehydrating member in the rice cooker which concerns on one Embodiment of this invention. It is an exploded view of a steaming pot and a steaming stand in FIG. It is the elements on larger scale of the B section in FIG. It is sectional drawing of the steaming stand in FIG. It is a fragmentary sectional view of a bottom cover and a connection support in a rice cooker concerning one embodiment of the present invention. It is a figure which shows the assembly relation between the connection support in the rice cooker which concerns on one Embodiment of this invention, a seal ring, and a boss | hub. It is a figure which shows the structure of the rice cooker which concerns on other one Embodiment of this invention.

  As shown in FIGS. 1 and 2, the rice cooker according to the present embodiment includes a base 1, a water storage member 2, a heating member 3, a drain steamer 4 and a pressure adjusting member 5. The water storage member 2 includes a housing 21 installed in the base 1, a water reservoir 22 installed in the housing 21 and an energy concentration cover 23 installed in the water reservoir 22, and the energy concentration cover 23 covers the water reservoir And a second chamber 25 located in the energy concentration cover, and a water channel 26 is provided between the first chamber 24 and the second chamber 25. The heating member 3 is disposed between the housing 21 and the water reservoir 22. The draining and steaming member 4 includes a steaming pot 41 installed on the water storage member 2 and a steaming table 42. A conduction passage 43 is formed between the steaming pot 41 and the energy concentration cover 23, and the conduction passage 43 is Each communicates with the inside of the steaming pot 41 and the inside of the energy concentration cover 23, and between the steaming stand 42 and the steaming pot 41, a water cutting steaming chamber 44 is formed. The pressure adjusting member 5 is installed on the base 1 and is in communication with the water reservoir 22, and the pressure adjusting member 5 adjusts the pressure in the first chamber 24 to flow the water in the water reservoir 22 into the water channel 26. And the water in the steaming kettle 41 is sucked back into the water storage kettle 22 through the conduction passage 43 or into the steaming kettle 41.

  In the rice cooker according to the present embodiment, the energy concentration cover 23 is installed in the water reservoir 22, and the water reservoir 22 is divided into the first chamber 24 and the second chamber 25 by the energy concentration cover 23. A water flow path 26 is provided between the second chamber 25 and a conduction passage 43 between the energy concentration cover 23 and the steam pot 41. In the inundation stage, the water in the first chamber 24 enters the second chamber 25 through the water flow passage 26 under the action of the pressure control member 5, enters the steaming kettle 41 through the conduction passage 43, and the steaming platform After the food is immersed in water and the food is sufficiently absorbed in water, the pressure control member 5 changes the pressure in the first chamber 24 so that the water in the steaming kettle 41 is in the first chamber along the conduction passage 43 and the water flow path 26 It flows into 24. In the cooking stage, the water in the energy concentration cover 23 is heated by the heating member 3 to generate a large amount of steam, and the steam enters the steaming pot 41 through the conduction passage 43 to cook the food in the steaming stand 42. According to the rice cooker according to the present embodiment, the conduction passage 43 transports different media at different stages to realize a combination of the water passage and the steam passage, and the water supply and the dehydration are very smooth. The structure is very compact, which significantly reduces the volume of the rice cooker.

  In the present embodiment, as shown in FIGS. 5 and 6, the bottom of the water reservoir 22 is provided with a locking stand 224 that locks onto the energy concentration cover. According to the present embodiment, the inner wall of the energy concentration cover 23 is provided with a fastener 2313 to be engaged with the engagement block 224, and the gap between the outer wall of the engagement block 224 and the inner wall of the energy concentration cover 23 is The water flow path 26 is formed, the connection structure between the energy concentration cover 23 and the water reservoir 22 is simple, the energy concentration cover 23 can be easily connected to the water storage pot 22, and the formation structure of the water flow passage 26 is simple, The operating requirements can be fully fulfilled.

  In the present embodiment, as shown in FIG. 10, a water supply hole 2314 is provided at the bottom end or the bottom of the energy concentration cover 23. When the energy concentration cover 23 is installed in the reservoir 22, the water supply holes 2314 ensure that an effective water seal is formed between the energy concentration cover and the reservoir, and the air in the reservoir is energy Enter the steaming kettle through the intensive cover to avoid affecting the cooking of the steam food.

  Specifically, as shown in FIGS. 5 and 7, the energy concentration cover 23 includes an energy concentration cover main body 231 having a conical structure, and a sealing material 232, and the conical upper end is the bottom of the steaming kettle 41. The sealing material 232 is installed at the junction of the energy concentration cover main body 231 and the steaming pot 41. In the present embodiment, the top portion of the energy concentration cover main body 231 has a first vent 2311 and a first drain 2312, and the first vent 2311 is located above the first drain 2312, and the first vent 2311 is disposed. Communicate with the conduction passage 43. As shown in FIG. 12, the bottom of the steam cooker 41 has a recess 411, and the recess 411 has a second air hole 412 and a first drainage hole 2312 installed to correspond to the first air hole 2311. A corresponding second drainage hole 413 is provided. The first vent 2311 and the second vent 412 realize transport of steam between the three parties inside the energy concentration cover 23, the conduction passage 43 and the steaming pot 41, and the first drain hole 2312 and the second vent The drainage hole 413 realizes the transport of water between the inside of the energy concentration cover 23, the conduction passage 43 and the inside of the steaming kettle 41.

  Since the first vent hole 2311 is provided above the first drain hole 2312, both have a fixed height H in the vertical direction, and the installed water droplets are discharged from the first drain hole 2312 Ensure that it flows into the energy concentration cover 23 and realizes collection for water droplets, and prevents the sprayed water droplets from entering the steaming kettle with the steam and gelatinizing the food material located at the bottom of the steaming platform Significantly improve the mouthfeel of the food at the bottom of the steaming table. Furthermore, the installation simultaneously ensures that the vapor is smoothly ejected from the first vent 2311 and improves the efficiency and quality of supplying the hot gas. In the present embodiment, the drop H in the vertical direction of the first vent 2311 and the first drain 2312 is 50 mm. However, the invention is in no way limited thereto. In other embodiments, the head H may have other values of 100 mm or less, for example, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm, 60 mm. , 65 mm, 70 mm, 75 mm, 80 mm, 90 mm, 95 mm or 100 mm.

  The sealing material 232 adopts a resilient seal ring to seal the joint portion between the energy concentration cover main body 231 and the steaming pot 41, and communicate the inside of the energy concentration cover main body 231 with the inside of the steaming pot 41, The sealing material 232 is lower than the first drainage hole 2312. In the present embodiment, the conical upper end of the energy concentration cover main body 231 penetrates into the recess 411 of the bottom of the steaming kettle 41, and the height difference between the conical upper edge of the energy concentrating cover 23 and the lowest end of the steaming kettle 41 Is P, and P is 120 millimeters or less.

  The conical structure of the energy concentrating cover body 231 is convenient for the heated gas to concentrate at the upper end of the energy concentrating cover body 231 and the concentrated gas forms pressure within the energy concentrating cover body 231 The conical upper end of the energy concentration cover main body 231 rushes into the recess 411 to promote the entry of the steam into the steaming pot, improve the steam transport efficiency and quality, and the first of the top of the energy concentration cover main body 231 The air vents 2311 and the first drainage holes 2312 are completely installed in the outer wall of the steam cooker 41 to improve the steam transport efficiency and quality. In the present embodiment, the height difference P between the conical upper end of the energy concentration cover 23 and the bottom end of the steaming kettle 41 is 60 mm. However, the invention is in no way limited thereto. In other embodiments, the height difference P between the conical upper end of the energy concentration cover body 231 and the bottom end of the steaming kettle 41 may be another value of 120 mm or less, for example, 5 mm, 10 mm 15 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 55 mm, 60 mm, 65 mm, 70 mm, 75 mm, 80 mm, 85 mm, 90 mm, 95 mm It is a reasonable numerical value such as 100 mm, 105 mm, 110 mm, 115 mm, 120 mm, etc.

  In order to further reduce the time to generate steam by heating, the energy concentration cover body 231 is a dual vacuum structure, and the installation improves the heat insulation function of the energy concentration cover, and the inside of the energy concentration cover and the inside of the reservoir Improve the heat transfer efficiency between them and reduce the heat loss inside the energy concentrated cover. However, the invention is in no way limited thereto. In another embodiment, as shown in FIGS. 8 and 9, the energy concentration cover 23 'includes an energy concentration cover body 231' and an encapsulant 232 '. The energy concentrating cover body 231 'includes an inner cover 231a' of the energy concentrating cover and an outer cover 231b 'of the energy concentrating cover. A vent hole 231a1 'is provided on a side wall of the inner cover 231a' of the energy concentration cover, and the vent hole 231a1 'communicates with the conduction passage 43'. The outer cover 231b 'of the energy concentration cover is provided like a sleeve on the outside of the inner cover 231a' of the energy concentration cover to form the inner cover 231a 'and the accommodation space 231c' of the energy concentration cover, and the outer cover of the energy concentration cover The top of 231b 'is open and vents 231a1' are higher than the top of the outer cover 231b 'of the energy concentration cover. The encapsulant 232 'is located at the junction of the outer cover 231b' of the energy concentration cover and the steam pot.

  By installing vents 231a1 'on the side walls of the inner cover of the energy concentration cover, the water in the inner cover 231a' of the energy concentration cover is heated to generate a large amount of steam during cooking of the food, and a large amount of steam is generated. Are discharged from the vent holes 231a1 'including water droplets. In the initial process of discharge, the water droplets flow into the accommodation space 231c 'by the action of gravity, effectively avoiding gelatinization of the food at the bottom of the steaming platform provided above the energy concentration cover, and thus the mouthfeel of the food Greatly improve Since the vents 231a1 'are higher than the top of the outer cover 231b' of the energy concentration cover, the installation makes the vents 231a1 'further approach the steaming kettle when the energy concentrating cover 23' is assembled to the steaming kettle, Thus, the heat transfer is improved, and moreover, the stop and interference with the steam transfer of the outer cover 231b 'of the energy concentration cover are effectively avoided.

  In FIGS. 8 and 9, along the bottom to the top of the inner cover 231a 'of the energy concentration cover, both the diameter of the inner cover 231a' of the energy concentration cover and the diameter of the outer cover 231b 'of the energy concentration cover gradually decrease Do. The installation gradually concentrates the vapor in the inner cover 231a 'of the energy concentration cover to the top, and has a very large pressure in the top, greatly improving the efficiency of vapor discharge. Furthermore, because the steam discharge pressure is high, it is ensured that the steam and water droplets are discharged at a certain distance along the radial direction of the inner cover of the energy concentration cover in the initial stage of discharge, and a large amount of water droplets are within this distance. I am depressed at Furthermore, the side wall of the inner cover 231a 'of the energy concentration cover is installed on an arc curved surface that bends toward the inside of the inner cover of the energy concentration cover, and the outer cover 231b' of the energy concentration cover has a hollow truncated cone shape. The radial width of the accommodation space in which the air vent 231a1 'is located is expanded, and the route in which the water drops fall is further extended.

  In FIG. 8 and FIG. 9, the water supply hole 231a2 'is provided in the side wall of the inner cover 231a' of the energy concentration cover, and the water supply hole 231a2 'is an inner cover of the energy concentration cover of the side wall of the inner cover 231a' of the energy concentration cover. It is formed at one end close to the bottom. The water supply holes 231a2 'ensure communication between the interior of the inner cover of the energy concentration cover and the accommodation space, and at the same time ensure that an effective water seal is formed between the energy concentration cover and the water reservoir, Avoid the air in the water storage tank entering the steaming tank through the energy concentration cover and affecting the cooking of the steam to the food.

  In the present embodiment, as shown in FIG. 10 to FIG. 13, the steaming table 42 has a baffle plate 421 projecting to the top of the steaming kettle 41 and a through hole 4221 and is vapor permeable installed on the outer periphery of the baffle plate 421 And a plate 422. In the process of transporting steam, when the steam drains and enters the steam chamber 44, water droplets due to splashing of boiling water drain and steam enter the chamber 44, and the splashed water droplets stopped by the baffle plate 421 drain and steam. It flows into 44 and drains and drains into the steaming chamber 23 through the second drainage hole 413 and the conduction passage 43 to realize collection for boiling and splashing water droplets, and at the same time, the boiling and splashing water droplets enter the steaming platform Avoid contact with cooked rice, improve the quality of cooked rice steam and optimize the texture of cooked rice.

  In the present embodiment, since the vapor permeable plate 422 is attached to the outer periphery of the baffle plate 421, the vapor reaches a steaming table and then contains steam droplets boiling and splashing, so the baffle plate 421 is interposed first. The water droplets boiling and splashed are stopped, and then dispersed in the circumferential vapor permeable plate 422, and the vapor is conveyed into the steamer 41 by the through holes 4221 in the vapor permeable plate 422. The baffle plate 421 protrudes to the top of the steaming pot 41 to drain the steam to reach the steaming chamber 44, and then there is sufficient time to fill the draining steaming chamber 44 so that the steam contacts the baffle plate 421 Extending time, improving the smoothness of the steam transport, baffle plate 421 naturally pushes the steam down, creating upward pressure as steam reaches steam permeable plate 422, steam steam The efficiency of penetrating the transmission plate 422 is promoted.

  In the present embodiment, the baffle plate 421 is attached above the second vent 412, and the boiling and dripping water drops into the water vaporizing chamber 44 through the second vent 412 and is stopped by the baffle 421 After that, it falls into the energy concentration cover through the second drain hole 413 and the conduction passage 43.

  In the present embodiment, the baffle plate 421 is positioned above the energy concentration cover 23 and the vertical direction of the baffle plate 412 since water droplets enter the steaming kettle 41 through the first drainage holes 2312 located in the energy concentration cover main body 231. The projected area is set to be larger than the area of the top of the energy concentration cover 23. The installation improves the effect of preventing boiling and splashing water droplets discharged from the energy concentration cover main body 231, and greatly improves the quality to be prevented.

  In the present embodiment, the draining and steaming member 4 further includes a lid 45 for opening and closing the steaming pot, and the lid 45 is provided with an aeration passage 451.

  In the present embodiment, as shown in FIGS. 1 and 2, the pressure adjusting member 5 increases the pressure in the first chamber, and reduces the pressure in the first chamber and the air pump 51 in which the intake hole 511 is installed. A piping 53 is provided between the housing 21 and the water reservoir 22 for communicating the first chamber 24 with the intake hole 511, and the water reservoir 22 is provided with a pressure reducing valve 52 attached to the communication passage. A communication passage communicating with the external air is provided. The air pressure in the first chamber 24 can be increased by the action of the air pump 51, so that the water in the first chamber 24 can be introduced into the steaming pot 41, and the food placed on the steaming table 42 can be flooded To achieve the purpose. By installing the pressure reducing valve 52, the air pressure inside the first chamber 24 can be reduced, and the water contained in the steaming pot 41 can be returned to the inside of the first chamber 24, and the purpose of dehydration can be realized. The pressure adjusting member 5 realizes the water supply and the dewatering into the draining and steaming member 4, the structure is simple, and the use effect is excellent.

  The water reservoir 22 includes an integrally-formed bottom wall 221 and a side wall 222, and the side wall 222 is formed to extend upward from the circumferential edge of the bottom wall 221. However, the invention is in no way limited thereto. In another embodiment, the bottom wall 221 and the side wall 222 of the water reservoir 22 can adopt a separate molding structure, and the bottom wall and the side wall of the separate molding are integrally fixed by a process such as welding. A protruding pillar 223 may be installed at the upper end near the top surface of the side wall 222, and the protruding pillar 223 may be integrally molded with the side wall 222 or may be molded separately and then assembled into the water reservoir. A through hole 2231 communicating with the inside of the first chamber 24 is provided in the projecting column 223, the top end of the pipe 53 is provided like a sleeve on the projecting column 223, and the pipe 53 is connected to the first via the through hole 2231. It communicates with the chamber 24. However, the present invention is not limited at all to the connection method of the pipe and the projecting column. In another embodiment, the piping can be inserted into the projecting column.

  In the present embodiment, the housing 21 includes a bottom cover 211 installed below the bottom wall 221 and a casing 212 installed outside the side wall 221, and the connection is made such that the bottom cover and the casing are integrally fixed. Thus, a storage chamber for mounting the water reservoir 22 is formed, and the water reservoir 22 is fixed in the housing 21.

  In the present embodiment, as shown in FIG. 14 and FIG. 15, a boss 213 communicating with the pipe 53 is installed at the bottom of the housing 21, a connection support 11 is installed at the base 1, and the connection support is inside the base 1. A communication passage 12 communicating with 11 is provided, and the communication passage 12 communicates with external air, and when the housing 21 of the water storage member is installed on the base 1, the connection support 11 is connected to the boss 213 like a sleeve. A communication passage 12 is formed between the boss 213 and the connection support 11, and the communication passage 12 communicates with the air pump 51 and the pressure reducing valve 52 in the pressure adjusting member 5.

  In the present embodiment, the base 1 includes a seal ring 13 provided on the connection support 11 like a sleeve, and the boss 213 is provided with a mounting hole 2131 for inserting the connection support. When the boss 213 is connected to the connection support 11 like a sleeve, the space between the boss 213 and the seal ring 13 forms the communication passage 12, and the seal ring 13 communicates the communication passage 12 with the pressure adjusting member 5. Hollow column head is provided. In the present embodiment, the structure of the communication passage 12 is very simple and can be formed simply by attaching the water storage member 2 to the base 1, and the purpose of connecting the intake port 511 and the piping 53 when the rice cooker operates is sufficient. It can be satisfied.

  The connection support 11 supports the seal ring 13, and when the seal ring 13 is inserted into the mounting hole 2131, it is ensured that the boss 213 is fitted to form the communication passage 12, and the seal ring is inserted into the mounting hole 2131. It is avoided that excessive deformation is exerted on the communication passage 12 during operation. In order to avoid displacement due to friction with the boss when the seal ring is inserted into the mounting hole, a position limiting groove 111 is opened in the circumferential outer wall of the connection support 11, and the seal ring 13 is limited in position It is located in the groove 111. Further, since the seal ring 13 has a certain elasticity, the sealing performance of the communication passage 12 is effectively improved, and the influence of the gas leak of the communication passage 12 on the pressure increase operation inside the water reservoir 22 of the air pump 51 is avoided. Can. In order to allow the air flow to flow smoothly, the communication passage 12 has a sufficient cross-sectional area, and a recessed groove 133 is provided on the outer circumferential wall of the seal ring 13.

  The connection support 11 is ring-shaped, and a circular fitting structure is adopted between the connection support 11 and the boss 213, and the communication passage 12 is ring-shaped. As described above, the fitting between the connection support 11 and the boss 213 is not limited in the circumferential direction, and it is not necessary to attach the water storage member 2 to the base in a specific orientation, which is convenient for improving the convenience of use.

  The specific gas flow paths are as follows. A first joint 214 fitted to the bottom end of the pipe 53 is installed on the outer wall of the boss 213, and the bottom end of the pipe 53 is provided at the first joint 214 like a sleeve. A first communication hole 2141 communicating with the communication passage 12 is provided in the first joint portion 214. A second communication hole 114 communicating with the communication passage 12 is opened at the bottom of the connection support 11 so that the second joint portion 112 and the third joint portion 113 are offset, and the third joint portion A third communication hole 115 communicating with the communication passage is provided in the. The pressure adjustment mechanism 5 further includes a first connection pipe 54 and a second connection pipe 55, and both the first connection pipe and the second connection pipe are installed in the base 1. The first connection pipe 54 communicates the second communication hole 114 with the intake port 511, the top end of the first connection pipe 54 is provided like a sleeve at the second joint portion 112, and the bottom end is a sleeve at the intake port 511 of the air pump. It is provided like. The second connection pipe 55 communicates external air with the third communication hole 115, the exhaust hole 14 is opened at the bottom of the base 1, and the top end of the second connection pipe 55 is provided like a sleeve at the third joint 113. The bottom end extends to the exhaust hole 14. The pressure reducing valve 52 is installed in the second connection pipe 55, and controls the communication between the inside of the water reservoir 22 and the outside air to realize the purpose of reducing the pressure in the water reservoir, and the pressure reducing structure is simple and effective. , Can fully meet the use requirements. Since the communication passage 12 is simultaneously a component of the pressure increasing structure and the pressure reducing structure, the components of the pressure control mechanism are reduced, which is advantageous for simplifying the structure of the pressure control mechanism, and the structure of the pressure control mechanism is made more compact. Do.

  In order to realize the purpose of communication between the second communication hole 114, the third communication hole 115, and the communication passage 12, the inner wall of the seal ring 13 has a first hollow column head 131 and a third hollow head 131 corresponding to the second joint 112. A second hollow column head 132 corresponding to the joint portion 113 is installed, a first column hole 116 and a second column hole 117 are opened in the circumferential direction of the connection support 11, and the first column hole 116 is a second communication hole 114. And the second pillar holes 117 correspond to the third communication holes 115. When the seal ring 13 is provided as a sleeve on the connection support, the first hollow column head 131 is inserted into the first column hole 116 to realize communication between the second communication hole 114 and the communication passage 12. The second hollow column head 132 is inserted into the second column hole 117 to realize communication between the third communication hole 115 and the communication passage 12.

  However, the present invention does not limit the specific structure of the communication passage 12 in any way. In another embodiment, for example, in the rice cooker as shown in FIG. 16, the base 1 ′ has a communication passage 1a ′ communicating with the bottom seat of the air inlet of the air pump 51 ′, and the bottom portion of the housing 21 ′ has a bottom seat The joint 21a 'connected to the communication passage 1a' is installed, the other end of the joint 21a 'is connected to the pipe 53', and the pipe 53 'increases the pressure in the first chamber 24'.

  In the present embodiment, the heating member 3 includes the heating body 31 disposed between the housing and the water reservoir, and the heating body 31 heats only the water in the energy concentration cover 23 to generate steam. By effectively shortening the time required for cooking, the time required for cooking food can be effectively shortened, and the cooking efficiency for the food of the rice cooker is improved.

  In the aspect of electrical control, in the present embodiment, the control panel 14 is installed in the base 1, and both the air pump 51 and the pressure reducing valve 52 are electrically connected to the control panel 14. In order to realize effective control over the water level in the heating body 31 of the control panel 14 and the water reservoir 22, an electrical coupler 27 is provided between the water storage member 2 and the base 1 for achieving an electrical connection. The water level sensor 28 is installed on the inner wall of the water storage pot. In the present embodiment, the pressure reducing valve 52 employs a solenoid valve, the water level sensor 28 employs an electrode type water level sensor, and the heating body 32 employs a heating pipe.

  The central portion of the bottom cover 211 in the housing 21 is connected to the upper electrical connector 27 via the fixed seat 29, and both the heater 31 and the water level sensor 28 are electrically connected to the upper electrical connector 27. A lower electrical connector 15 corresponding to the upper electrical connector 27 is installed at the top of the base 1, and the lower electrical connector 15 is electrically connected to the control panel 14. When the water storage member 2 is installed in the base 1, the heating body 31 and the water level sensor 28 realize the purpose of the electrical connection with the controller panel 14 by the combination of the upper electric connector 27 and the lower electric connector 15. Therefore, the on-off of the electrical connection is realized. In order to avoid the interference that occurs when mounting, the fixed seat 29 and the upper electrical coupler 27 are installed in the mounting hole 2131 and for inserting the connection support 11 between the fixed seat 29 and the inner wall of the boss 213 There is a gap between the

  In the present embodiment, the rice cooker is further provided with a protrusion mechanism 6 installed on the bottom cover 211, the protrusion mechanism 6 includes a spring 61 and a plunging ball 62, and the top end of the spring 61 is connected to the bottom of the bottom cover 211 , The plunging ball 62 is connected to the bottom end of the spring. When the water storage member 2 is installed on the base 1, the push balls 62 contact the base 1 to compress the spring 61. When the water storage member 2 is removed from the base 1, the force received by the spring 61 is reduced, and the spring 61 applies a force to the plunging ball 62 in the process of recovering to its original shape, and the plunging ball 62 applies a force to the base 1 The member 2 is easily removed from the base 1. In particular, when the seal ring 13 is inserted into the mounting hole 2131 to form a communication passage with the boss 213, a constant static frictional force is generated between the seal ring 13 and the boss 213, and the water storage member 2 is removed from the base For the sake of simplicity, the effect of static friction can also be eliminated via the ejection mechanism 6.

  In the present embodiment, as shown in FIG. 15, the bottom cover 211 is provided with a spring 61 in order to facilitate removal of the water storage member 2 from the base 1 by further removing the acting force between the seal ring 13 and the boss 213. A cylindrical hole 2121 for mounting the cylinder is installed, the cylindrical hole 2121 is located inside the boss 213, and an accommodation hole 2132 for letting the push ball 62 penetrate is installed inside the boss 213. The top end of the cylindrical hole 2121 is closed, the bottom end is open, and the top end of the spring 61 is in fixed contact with the inner top wall of the cylindrical hole. When the water storage member 2 is installed on the base 1, the ball 62 just abuts on the top surface of the connection support 11, thereby compressing the spring 61. The push ball 62 reciprocates along the receiving hole 2132 and the receiving hole 2132 simultaneously performs position limiting action.

  When the rice cooker according to the present embodiment operates, the water storage member 2 is placed on the base 1, the energy concentration cover 23 is put in the water reservoir 22, the steaming table 42 is mounted in the steaming kettle 41, and the food is steamed The lid 42 is placed on the platform 42, the lid 45 is closed, and the draining and steaming member 4 is placed on the water storage member 2, and the top end of the energy concentration cover 23 is inserted into the recess 411. Turn on the power and start the machine body. The air pump 51 operates to fill the first chamber 24 in the reservoir 22 with gas through the communication passage 12 and the pipe 53, the pressure inside the reservoir is increased, and the water in the reservoir from the water flow path 26 It flows into the energy concentration cover 23 and enters the steaming pot 41 through the conduction passage 43 upward, and the food in the steaming pot 41 is flooded. After the completion of water immersion, the pressure reducing valve 52 is opened, the air pressure in the first chamber 24 decreases, and the water in the steaming kettle 41 flows downward to the energy concentration cover 23 through the conduction passage, The water is returned to the water reservoir 22 via the

  Thereafter, as in the route pointed to by arrow C1 in FIG. 2, the heating body 31 operates to heat the water in the energy concentration cover 23, the water boils to generate steam, and the steam is directed upward. 1) Enter the steaming pot through the vent 2311, the conduction passage 43, and the second vent 412, and steam the food through the through holes in the steaming table. As in the route pointed to by arrow C2 in FIG. 2, the water droplets formed by condensation of the steam, the water droplets rising with the water and the steam remaining in the food, the second drainage holes 413, the conduction passage 43 and the first drainage It flows back into the energy concentration cover 23 through the holes 2312.

  As a matter of course, the program may be set and the food may be flooded a plurality of times, or the food may be flooded within a certain period of time after the start of heating, and the water may be dewatered after boiling. The specific operating process can be set by different heating methods for different foodstuffs.

  Summarizing the above, in the rice cooker according to the present invention, the energy concentration cover is installed in the water reservoir, the energy concentration cover divides the water reservoir into the first chamber and the second chamber, and the first chamber and the second chamber A water channel is provided between the two chambers. Since there is a conduction passage between the energy concentration cover and the steaming kettle, when changing the pressure in the first chamber by the pressure adjusting member, the water in the water reservoir is pushed into the steaming kettle through the water flow path and the conduction passage. The water in the steaming kettle is sucked back into the water reservoir, along the reverse route, and water supply and dehydration in the steaming chamber are very convenient, and the relevant conditions for water supply and dehydration are in the first chamber. It can be realized only by controlling the pressure. Furthermore, in the step of cooking the cooked rice, the conduction passage serves as a steam carrying passage at the same time, and the water passage and the steam passage are integrally connected, and the structure of the rice cooker is greatly simplified and at the same time the conventional boiled rice is cooked. The effect on the water transport efficiency of the water supply and dewatering member in the equipment to be raised is also effectively resolved, the heating efficiency of the steam is greatly improved, and the cooked rice has a better mouthfeel.

  Although the present invention has been disclosed above according to the preferred embodiment, the present invention is not limited thereto, and various modifications may be made by those skilled in the art without departing from the technical concept and scope of the present invention. And modifications should be made, so the scope of protection of the present invention should conform to the scope of protection described in the claims.

Claims (12)

It is a rice cooker,
The base,
A housing installed in the base, a reservoir installed in the housing, and a reservoir including an energy concentration cover installed in the reservoir;
A heating member installed between the housing and the water reservoir,
A steaming kettle installed in the water storage member, and a draining steaming member including a steaming platform;
It is installed at the base and is in communication with the water reservoir, and by adjusting the pressure in the first chamber, the water in the water reservoir is pushed into the steaming kettle through the water flow path and the conduction passage, or the steaming kettle A pressure control member for sucking back the water in the reservoir into the reservoir,
Including
The energy concentration cover divides the reservoir into a first chamber located outside the energy concentration cover and a second chamber located inside the energy concentration cover, and a water flow path is provided between the first chamber and the second chamber And
A conduction passage is formed between the steaming kettle and the energy concentration cover, and the conduction passage is in communication with the inside of the steaming kettle and the inside of the energy concentration cover, respectively, and drains between the steaming platform and the steaming kettle A steaming chamber is formed,
A rice cooker characterized by The energy concentration cover includes an energy concentration cover body having a conical structure and a sealing material disposed at a junction of the energy concentration cover body and the steam pot, and a conical upper end protrudes from the bottom of the steam pot. ing,
The rice cooker according to claim 1, characterized in that. The top of the energy concentration cover is provided with a first vent communicating with the conduction passage and a first drain, the first vent being located above the first drain.
The rice cooker according to claim 1, characterized in that. The bottom portion of the steaming kettle is provided with a recess, and the recess is provided with a second vent and a first drain, the second vent and the second drain hole corresponding to the first vent. There are drainage holes,
The rice cooker according to claim 3, characterized in that. The energy concentration cover is provided like an inner cover of the energy concentration cover provided with a vent hole communicating with the conduction passage in the side wall, and a sleeve on the outside of the inner cover of the energy concentration cover, and the energy concentration cover An energy-concentrating cover body including an inner cover and an accommodation space, and an outer cover of an energy-concentrating cover having an opening-like shape at the top thereof;
An encapsulant placed at the junction of the outer cover of the energy concentration cover and the steam kettle,
Including
The air vent is higher than the top of the outer cover of the energy concentrating cover,
The rice cooker according to claim 1, characterized in that. Along the bottom to the top of the inner cover of the energy concentration cover, the diameter of the inner cover of the energy concentration cover and the diameter of the outer cover of the energy concentration cover gradually decrease, and the side wall of the inner cover of the energy concentration cover is energy It is a circular arc curved inward to the inner cover of the concentration cover,
The rice cooker according to claim 5, characterized in that. The bottom portion of the water storage kettle has a locking block for locking to the energy concentration cover, and the gap between the outer wall of the locking block and the inner wall of the energy concentration cover forms a water flow path.
The rice cooker according to claim 1, characterized in that.   The rice cooker according to claim 1, wherein the steaming table includes a baffle plate projecting to the top of the steaming kettle, and a steam permeable plate having a through hole and disposed on the outer periphery of the baffle plate. . The baffle plate is disposed above the energy concentration cover, and the vertical projection area of the baffle plate is larger than the area of the top of the energy concentration cover,
The rice cooker according to claim 8, characterized in that. The pressure adjusting member includes an air pump in which the pressure in the first chamber is increased to increase the pressure in the first chamber, and a pressure reducing valve that decreases the pressure in the first chamber and is attached to the communication passage.
A pipe connecting the first chamber and the intake port is provided between the housing and the water storage pot, and the water storage pot is provided with a communication passage communicating with the external air.
The rice cooker according to claim 1, characterized in that. At the bottom of the housing, a boss communicating with the piping is installed, at the base, a connection support is installed, and in the base, a communication passage communicating with the connection support is installed, and the communication passage is In communication with the external air, when the water storage member is installed at the base, the connection support is connected to the boss like a sleeve, and a communication passage is formed between the boss and the connection support. And the communication passage is in communication with the pressure adjusting member,
The rice cooker according to claim 10, characterized in that. The base includes a seal ring provided like a sleeve on the connection support, and when the boss is connected like a sleeve on the connection support, the space between the boss and the seal ring forms a communication passage And the seal ring is provided with a hollow post head connecting the communication passage and the pressure adjustment member,
The rice cooker according to claim 11, characterized in that.